JdbcMemoryTransactionStore
respect 2pc prepare
uses local transactions to maintain prepared state
xid column provides transaction flag for additions and removals
a commit clears that context and completes the work
a rollback clears the flag and removes the additions
Essentially a prepare is an insert &| update transaction
commit|rollback is an update &| remove

JdbcMemoryTransactionStore
respect 2pc prepare
uses local transactions to maintain prepared state
xid column provides transaction flag for additions and removals
a commit clears that context and completes the work
a rollback clears the flag and removes the additions
Essentially a prepare is an insert &| update transaction
commit|rollback is an update &| remove